[backport] test and build on armv7l (pyca#12420)

Author: alex

.github/workflows/ci.yml

@@ -171,8 +171,10 @@ jobs:
           - {IMAGE: "centos-stream9", NOXSESSION: "tests", RUNNER: "ubuntu-latest"}
           - {IMAGE: "centos-stream9-fips", NOXSESSION: "tests", RUNNER: "ubuntu-latest", FIPS: true}
 
-          - {IMAGE: "ubuntu-rolling:aarch64", NOXSESSION: "tests", RUNNER: [self-hosted, Linux, ARM64]}
-          - {IMAGE: "alpine:aarch64", NOXSESSION: "tests", RUNNER: [self-hosted, Linux, ARM64]}
+          - {IMAGE: "ubuntu-rolling:aarch64", NOXSESSION: "tests", RUNNER: "ubuntu-24.04-arm"}
+          - {IMAGE: "alpine:aarch64", NOXSESSION: "tests", RUNNER: "ubuntu-24.04-arm"}
+
+          - {IMAGE: "ubuntu-rolling:armv7l", NOXSESSION: "tests", RUNNER: "ubuntu-24.04-arm"}
     timeout-minutes: 15
     env:
       RUSTUP_HOME: /root/.rustup

.github/workflows/wheel-builder.yml

@@ -74,22 +74,28 @@ jobs:
           - { NAME: "manylinux_2_34_x86_64", CONTAINER: "cryptography-manylinux_2_34:x86_64", RUNNER: "ubuntu-latest"}
           - { NAME: "musllinux_1_2_x86_64", CONTAINER: "cryptography-musllinux_1_2:x86_64", RUNNER: "ubuntu-latest"}
 
-          - { NAME: "manylinux2014_aarch64", CONTAINER: "cryptography-manylinux2014_aarch64", RUNNER: [self-hosted, Linux, ARM64] }
-          - { NAME: "manylinux_2_28_aarch64", CONTAINER: "cryptography-manylinux_2_28:aarch64", RUNNER: [self-hosted, Linux, ARM64]}
-          - { NAME: "manylinux_2_34_aarch64", CONTAINER: "cryptography-manylinux_2_34:aarch64", RUNNER: [self-hosted, Linux, ARM64]}
-          - { NAME: "musllinux_1_2_aarch64", CONTAINER: "cryptography-musllinux_1_2:aarch64", RUNNER: [self-hosted, Linux, ARM64]}
+          - { NAME: "manylinux2014_aarch64", CONTAINER: "cryptography-manylinux2014_aarch64", RUNNER: "ubuntu-24.04-arm" }
+          - { NAME: "manylinux_2_28_aarch64", CONTAINER: "cryptography-manylinux_2_28:aarch64", RUNNER: "ubuntu-24.04-arm" }
+          - { NAME: "manylinux_2_34_aarch64", CONTAINER: "cryptography-manylinux_2_34:aarch64", RUNNER: "ubuntu-24.04-arm" }
+          - { NAME: "musllinux_1_2_aarch64", CONTAINER: "cryptography-musllinux_1_2:aarch64", RUNNER: "ubuntu-24.04-arm" }
+
+          - { NAME: "manylinux_2_31_armv7l", CONTAINER: "cryptography-manylinux_2_31:armv7l", RUNNER: "ubuntu-24.04-arm" }
         exclude:
           # There are no readily available musllinux PyPy distributions
           - PYTHON: { VERSION: "pp310-pypy310_pp73" }
             MANYLINUX: { NAME: "musllinux_1_2_x86_64", CONTAINER: "cryptography-musllinux_1_2:x86_64", RUNNER: "ubuntu-latest"}
           - PYTHON: { VERSION: "pp310-pypy310_pp73" }
-            MANYLINUX: { NAME: "musllinux_1_2_aarch64", CONTAINER: "cryptography-musllinux_1_2:aarch64", RUNNER: [self-hosted, Linux, ARM64]}
+            MANYLINUX: { NAME: "musllinux_1_2_aarch64", CONTAINER: "cryptography-musllinux_1_2:aarch64", RUNNER: "ubuntu-24.04-arm"}
 
             # We also don't build pypy wheels for anything except the latest manylinux
           - PYTHON: { VERSION: "pp310-pypy310_pp73" }
             MANYLINUX: { NAME: "manylinux2014_x86_64", CONTAINER: "cryptography-manylinux2014:x86_64", RUNNER: "ubuntu-latest"}
           - PYTHON: { VERSION: "pp310-pypy310_pp73" }
-            MANYLINUX: { NAME: "manylinux2014_aarch64", CONTAINER: "cryptography-manylinux2014_aarch64", RUNNER: [self-hosted, Linux, ARM64]}
+            MANYLINUX: { NAME: "manylinux2014_aarch64", CONTAINER: "cryptography-manylinux2014_aarch64", RUNNER: "ubuntu-24.04-arm" }
+
+          # No PyPy on armv7l either
+          - PYTHON: { VERSION: "pp310-pypy310_pp73" }
+            MANYLINUX: { NAME: "manylinux_2_31_armv7l", CONTAINER: "cryptography-manylinux_2_31:armv7l", RUNNER: "ubuntu-24.04-arm" }
     name: "${{ matrix.PYTHON.VERSION }} for ${{ matrix.MANYLINUX.NAME }}"
     steps:
       - name: Ridiculous-er workaround for static node20

CHANGELOG.rst

@@ -1,6 +1,13 @@
 Changelog
 =========
 
+.. _v44-0-1:
+
+44.0.1 - 2025-02-11
+~~~~~~~~~~~~~~~~~~~
+
+* We now build ``armv7l`` manylinux wheels and publish them to PyPI.
+
 .. _v44-0-0:
 
 44.0.0 - 2024-11-27
@@ -25,7 +32,7 @@ Changelog
   when using OpenSSL 3.2.0+.
 * Added support for the :class:`~cryptography.x509.Admissions` certificate extension.
 * Added basic support for PKCS7 decryption (including S/MIME 3.2) via
-  :func:`~cryptography.hazmat.primitives.serialization.pkcs7.pkcs7_decrypt_der`, 
+  :func:`~cryptography.hazmat.primitives.serialization.pkcs7.pkcs7_decrypt_der`,
   :func:`~cryptography.hazmat.primitives.serialization.pkcs7.pkcs7_decrypt_pem`, and
   :func:`~cryptography.hazmat.primitives.serialization.pkcs7.pkcs7_decrypt_smime`.
 

docs/installation.rst

@@ -22,6 +22,7 @@ operating systems.
 * x86-64 macOS 13 Ventura and ARM64 macOS 14 Sonoma
 * x86-64 Ubuntu 20.04, 22.04, 24.04, rolling
 * ARM64 Ubuntu rolling
+* ARMv7l Ubuntu rolling
 * x86-64 Debian Bullseye (11.x), Bookworm (12.x), Trixie (13.x), and
   Sid (unstable)
 * x86-64 and ARM64 Alpine (latest)